---
title: LangDB
---

[LangDB](https://langdb.ai/) is an AI Gateway for seamless access to 350+ LLMs. Secure, govern, and optimize AI Traffic across LLMs using OpenAI-Compatible APIs.

For detailed integration instructions, see the [LangDB Agno documentation](https://docs.langdb.ai/getting-started/working-with-agent-frameworks/working-with-agno).

## Authentication

Set your `LANGDB_API_KEY` environment variable. Get your key from [here](https://app.langdb.ai/settings/api_keys).

<CodeGroup>

```bash Mac
export LANGDB_API_KEY=***
export LANGDB_PROJECT_ID=***

```

```bash Windows
setx LANGDB_API_KEY ***
setx LANGDB_PROJECT_ID ***
```

</CodeGroup>

## Example

Use `LangDB` with your `Agent`:

<CodeGroup>

```python agent.py
from agno.agent import Agent
from agno.models.langdb import LangDB

agent = Agent(
    model=LangDB(id="gpt-5-mini"),
    markdown=True
)

# Print the response in the terminal
agent.print_response("Share a 2 sentence horror story.")

```

</CodeGroup>

## Params

| Parameter    | Type               | Default                        | Description                                                           |
| ------------ | ------------------ | ------------------------------ | --------------------------------------------------------------------- |
| `id`         | `str`              | `"gpt-4o-mini"`                | The id of the model to use through LangDB                            |
| `name`       | `str`              | `"LangDB"`                     | The name of the model                                                 |
| `provider`   | `str`              | `"LangDB"`                     | The provider of the model                                             |
| `api_key`    | `Optional[str]`    | `None`                         | The API key for LangDB (defaults to LANGDB_API_KEY env var)          |
| `base_url`   | `str`              | `"https://api.langdb.ai/v1"`  | The base URL for the LangDB API                                       |

`LangDB` also supports the params of [OpenAI](/reference/models/openai).
